Of the personal insect repellents on the market in Australia, the peak USA public health body, the Centers for Disease Control & Prevention (CDC), advises that the only repellents that are effective enough to recommend are those that contain adequate amounts of the following:

deet (available in multiple brands in Australia)

picaridin or icaridin (available in multiple brands in Australia)

oil of lemon eucalyptus (OLE) or PMD (the only product available in Australia is Mosiguard) (. . . read more)

a product registered in Australia as “extract of lemon eucalyptus, being acidmodified oil of lemon eucalyptus (Corymbia citriodora)” has been shown to provide effective protection against a range of biting insects. (. . . read more)